/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraUserRedirectionParameterStore.h
Turn the input NiagaraVariable into the User namespaced version if needed, independent of whether or not it is in a redirection table.
static void MakeUserVariable ( [FNiagaraVariableBase](API\Plugins\Niagara\FNiagaraVariableBase) & InVar )